It rises near Honing, flows through Wayford Bridge, Dilham and Barton Broad, through Irstead, past How Hill and through Ludham Bridge and flows into the Bure west of St. Benet's Abbey.
A special type of Norfolk wherry was used on the Ant, measuring 50' x 12' max.
The Ant Broads & Marshes NNR is a National Nature Reserve.
The North Walsham & Dilham Canal is the canalisation of the Ant and joins it at Smallburgh junction.